; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-- -mattr=sse4.1 | FileCheck %s --check-prefixes=SSE ; RUN: llc < %s -mtriple=x86_64-- -mattr=avx | FileCheck %s --check-prefixes=AVX,AVX1 ; RUN: llc < %s -mtriple=x86_64-- -mattr=avx512f,avx512vl | FileCheck %s --check-prefixes=AVX,AVX512 ; PR37751 - https://bugs.llvm.org/show_bug.cgi?id=37751 ; We can't combine into 'round' instructions because the behavior is different for out-of-range values. declare <4 x i32> @llvm.x86.sse2.cvttps2dq(<4 x float>) declare <4 x i32> @llvm.x86.sse2.cvttpd2dq(<2 x double>) declare i32 @llvm.x86.sse.cvttss2si(<4 x float>) declare i64 @llvm.x86.sse.cvttss2si64(<4 x float>) declare i32 @llvm.x86.sse2.cvttsd2si(<2 x double>) declare i64 @llvm.x86.sse2.cvttsd2si64(<2 x double>) define float @float_to_int_to_float_mem_f32_i32(<4 x float>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_f32_i32: ; SSE: # %bb.0: ; SSE-NEXT: cvttss2si (%rdi), %eax ; SSE-NEXT: cvtsi2ssl %eax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_f32_i32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttss2si (%rdi), %eax ; AVX-NEXT: vcvtsi2ssl %eax, %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <4 x float>, <4 x float>* %p, align 16 %fptosi = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> %x) %sitofp = sitofp i32 %fptosi to float ret float %sitofp } define float @float_to_int_to_float_reg_f32_i32(<4 x float> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_f32_i32: ; SSE: # %bb.0: ; SSE-NEXT: cvttss2si %xmm0, %eax ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: cvtsi2ssl %eax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_f32_i32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttss2si %xmm0, %eax ; AVX-NEXT: vcvtsi2ssl %eax, %xmm1, %xmm0 ; AVX-NEXT: retq %fptosi = tail call i32 @llvm.x86.sse.cvttss2si(<4 x float> %x) %sitofp = sitofp i32 %fptosi to float ret float %sitofp } define float @float_to_int_to_float_mem_f32_i64(<4 x float>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_f32_i64: ; SSE: # %bb.0: ; SSE-NEXT: cvttss2si (%rdi), %rax ; SSE-NEXT: cvtsi2ssq %rax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_f32_i64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttss2si (%rdi), %rax ; AVX-NEXT: vcvtsi2ssq %rax, %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <4 x float>, <4 x float>* %p, align 16 %fptosi = tail call i64 @llvm.x86.sse.cvttss2si64(<4 x float> %x) %sitofp = sitofp i64 %fptosi to float ret float %sitofp } define float @float_to_int_to_float_reg_f32_i64(<4 x float> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_f32_i64: ; SSE: # %bb.0: ; SSE-NEXT: cvttss2si %xmm0, %rax ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: cvtsi2ssq %rax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_f32_i64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttss2si %xmm0, %rax ; AVX-NEXT: vcvtsi2ssq %rax, %xmm1, %xmm0 ; AVX-NEXT: retq %fptosi = tail call i64 @llvm.x86.sse.cvttss2si64(<4 x float> %x) %sitofp = sitofp i64 %fptosi to float ret float %sitofp } define double @float_to_int_to_float_mem_f64_i32(<2 x double>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_f64_i32: ; SSE: # %bb.0: ; SSE-NEXT: cvttsd2si (%rdi), %eax ; SSE-NEXT: cvtsi2sdl %eax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_f64_i32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttsd2si (%rdi), %eax ; AVX-NEXT: vcvtsi2sdl %eax, %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <2 x double>, <2 x double>* %p, align 16 %fptosi = tail call i32 @llvm.x86.sse2.cvttsd2si(<2 x double> %x) %sitofp = sitofp i32 %fptosi to double ret double %sitofp } define double @float_to_int_to_float_reg_f64_i32(<2 x double> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_f64_i32: ; SSE: # %bb.0: ; SSE-NEXT: cvttsd2si %xmm0, %eax ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: cvtsi2sdl %eax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_f64_i32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttsd2si %xmm0, %eax ; AVX-NEXT: vcvtsi2sdl %eax, %xmm1, %xmm0 ; AVX-NEXT: retq %fptosi = tail call i32 @llvm.x86.sse2.cvttsd2si(<2 x double> %x) %sitofp = sitofp i32 %fptosi to double ret double %sitofp } define double @float_to_int_to_float_mem_f64_i64(<2 x double>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_f64_i64: ; SSE: # %bb.0: ; SSE-NEXT: cvttsd2si (%rdi), %rax ; SSE-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_f64_i64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttsd2si (%rdi), %rax ; AVX-NEXT: vcvtsi2sdq %rax, %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <2 x double>, <2 x double>* %p, align 16 %fptosi = tail call i64 @llvm.x86.sse2.cvttsd2si64(<2 x double> %x) %sitofp = sitofp i64 %fptosi to double ret double %sitofp } define double @float_to_int_to_float_reg_f64_i64(<2 x double> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_f64_i64: ; SSE: # %bb.0: ; SSE-NEXT: cvttsd2si %xmm0, %rax ; SSE-NEXT: xorps %xmm0, %xmm0 ; SSE-NEXT: cvtsi2sdq %rax, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_f64_i64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttsd2si %xmm0, %rax ; AVX-NEXT: vcvtsi2sdq %rax, %xmm1, %xmm0 ; AVX-NEXT: retq %fptosi = tail call i64 @llvm.x86.sse2.cvttsd2si64(<2 x double> %x) %sitofp = sitofp i64 %fptosi to double ret double %sitofp } define <4 x float> @float_to_int_to_float_mem_v4f32(<4 x float>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_v4f32: ; SSE: # %bb.0: ; SSE-NEXT: cvttps2dq (%rdi), %xmm0 ; SSE-NEXT: cvtdq2ps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_v4f32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttps2dq (%rdi), %xmm0 ; AVX-NEXT: vcvtdq2ps %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <4 x float>, <4 x float>* %p, align 16 %fptosi = tail call <4 x i32> @llvm.x86.sse2.cvttps2dq(<4 x float> %x) %sitofp = sitofp <4 x i32> %fptosi to <4 x float> ret <4 x float> %sitofp } define <4 x float> @float_to_int_to_float_reg_v4f32(<4 x float> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_v4f32: ; SSE: # %bb.0: ; SSE-NEXT: cvttps2dq %xmm0, %xmm0 ; SSE-NEXT: cvtdq2ps %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_v4f32: ; AVX: # %bb.0: ; AVX-NEXT: vcvttps2dq %xmm0, %xmm0 ; AVX-NEXT: vcvtdq2ps %xmm0, %xmm0 ; AVX-NEXT: retq %fptosi = tail call <4 x i32> @llvm.x86.sse2.cvttps2dq(<4 x float> %x) %sitofp = sitofp <4 x i32> %fptosi to <4 x float> ret <4 x float> %sitofp } define <2 x double> @float_to_int_to_float_mem_v2f64(<2 x double>* %p) #0 { ; SSE-LABEL: float_to_int_to_float_mem_v2f64: ; SSE: # %bb.0: ; SSE-NEXT: cvttpd2dq (%rdi), %xmm0 ; SSE-NEXT: cvtdq2pd %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_mem_v2f64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttpd2dqx (%rdi), %xmm0 ; AVX-NEXT: vcvtdq2pd %xmm0, %xmm0 ; AVX-NEXT: retq %x = load <2 x double>, <2 x double>* %p, align 16 %fptosi = tail call <4 x i32> @llvm.x86.sse2.cvttpd2dq(<2 x double> %x) %concat = shufflevector <4 x i32> %fptosi, <4 x i32> undef, <2 x i32> <i32 0, i32 1> %sitofp = sitofp <2 x i32> %concat to <2 x double> ret <2 x double> %sitofp } define <2 x double> @float_to_int_to_float_reg_v2f64(<2 x double> %x) #0 { ; SSE-LABEL: float_to_int_to_float_reg_v2f64: ; SSE: # %bb.0: ; SSE-NEXT: cvttpd2dq %xmm0, %xmm0 ; SSE-NEXT: cvtdq2pd %xmm0, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: float_to_int_to_float_reg_v2f64: ; AVX: # %bb.0: ; AVX-NEXT: vcvttpd2dq %xmm0, %xmm0 ; AVX-NEXT: vcvtdq2pd %xmm0, %xmm0 ; AVX-NEXT: retq %fptosi = tail call <4 x i32> @llvm.x86.sse2.cvttpd2dq(<2 x double> %x) %concat = shufflevector <4 x i32> %fptosi, <4 x i32> undef, <2 x i32> <i32 0, i32 1> %sitofp = sitofp <2 x i32> %concat to <2 x double> ret <2 x double> %sitofp } attributes #0 = { "no-signed-zeros-fp-math"="true" }